Which part of europe is the least economically developed

Ukraine , Moldova , Kosovo, Albania , Bosnia and Herzegovina, Belarus, Serbia

Explanation:

Most of the poorest nations of the Europe are in the eastern parts of the country and these include the Ukraine with a 2,963 $ has a planned market economy and the major of the country is under poverty and has red-tapism , bureaucracy corruption, and inflation. Second of the Moldova with about $3,218 as it has got a major economic setback after the breakup of the USSR and has a climate of uncertainty and has a weak infrastructure. The third is the Kosovo with $4,403 is a landlocked country of the poor economic reforms, Fourth is the Albania with  $5,289 and has an economy based on an open market. The fifth is the Bosnia and Herzegovina that as about $5,674 is a war-torn country and is recovering for the poor economic status.

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen